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This article has an erratum: [https://doi.org/10.1051/0004-6361/201322828e]

Table 1

Observation log.

Mode Date Phase Filter λc (Δλ) [μm] # Frames Cameraa tint [s] Seeingb Airmass
SAM 01/12/2012 0.358 NB_1.64 1.64 (0.04) 1200 S13 0.5 1.00 1.10
SAM 01/12/2012 0.358 IB_2.30 2.30 (0.06) 600 S13 1.0 0.72 1.09
SAM 01/12/2012 0.358 NB_3.74 3.74 (0.02) 800 L27 0.5 1.18 1.08
SAMPol 08/02/2013 0.855 IB_2.30 2.30 (0.06) 2000 S13 0.5 1.84 1.07

Notes.

(a)

Camera pixel scales are 13.22 and 27.19 mas/pixel for the S13 and L27 cameras, respectively.

(b)

In units of arcseconds.

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